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DIY 40/30/20m Short Vertical Antenna


qrp portable, POTA is a program to encourage hams to operate from within national and state parks, forests, wildlife areas
post 12 Feb 2024
DIY 40/30/20m Short Vertical Antenna

Antenna Vertical Links

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The 5 band pipe vertical That's 20, 17, 15, 12 and 10 meters, KL7JR
A simple, cheap and easy to build 33 feet long vertical antenna that works DX on 20 10 meters including Warc bands

The portable random wire vertical
This simple 40 thru 10 meter wire vertical should enable you to get on all the new HF bands

Utilisation d'un pylone autoportant en antenne verticale
It may be interesting to use a high pylon supporting other antennas as a vertical antenna

Una antena hibrida de 3,5 - 7 Mhz que ocupa poco espacio
The occupied surface is limited to that of the roof of the house, 9 x 12 m, and this leads to a very economical realization of vertical antenna for two bands


Take off angle of horizontal antenna

Take off angle of horizontal antenna For horizontal polarization, the electric field will move sideways on a horizontal plane, while for vertical polarization it will oscillate up and down on a vertical plane

Build a Three-Way Antenna Switch and Display

Build a Three-Way Antenna Switch and Displa To use a wireless relay to select one of two high current capacity power relays

5 element yagi antenna for 28.5 Mhz

5 element yagi antenna for 28.5 Mhz Gamma match will be made with a 1/2 "aluminum tube and a 75 cm coaxial piece of RG8 without sock and sheath inside the tube